Improvement in liquid-deters



W. PEMBERT UN 8:. H. B. PIPER.

Liquid-Meters.

Patented Dec. 1,1874.

n k By Wflttorney W, @wkm THE GRAPHIC CO. FHOTD LITHJ9$+I PARK PLACEVNX-ter the escaping liquid.

UNITED STATES PATENT OEEIoE.

WILL AM PEMBERTON AND HENRY B. PIPER, or CLEVELAND, OHIO, ASsIeNoES TOTHEMSELVES AND LoUISA LAURA PIPER, or SAME PLACE.

IMPROVEMENT IN LIQUID-METERS.

, Specification forming part ofLettersPatent No. 157,347, datedDecember 1. 1874; application filed October 7, 1874.

(him A.

folded out of operation by a stop or shoulder as the liquid leaves theconduit. The object of our invention is to secure a simple and efficientapparatus which will accurately regis- The subject-matter claimed willhereinafter be designated.

In the accompanying drawings, which show so much of our improvedapparatus as is necessary to illustrate our invention, Figure 1represents a view in elevation, with portions of the casing broken awayto Show the [interior; Fig. 2, a section therethrough, on the line a: wof Fig. 1; and Fig. 3, a view in perspective of one of the hingeddiaphragms or trip-flanges detached.

A metallic frame or case for inclosing and supporting the operativeparts of the mechanism is shown as composed of two parts, AA, in thisinstance of similar construction and corresponding outline, which areunited by bolts or screws, so that they may readily be separated. Anannular frame or disk, B, is inclosed between the two parts of thesupporting and inclosing frame or casing, (which parts are recessed orcut away to receive the disk,) and is caused to revolve, as willhereinafter he explained, with its edge or periphery moving in agroove-seat, b, formed by corresponding shoulders on the inner sides ofthe sections A A of the supporting-casing. The disk is supported at itscenter in the supporting-casing by a huh, I), with which it revolves.

- Within and near the periphery of the revolvin g frame or disk areformed a series of sectoropenings, 0. Metal plates D, constitutingtrip-flan ges or movable diaphragms, are hinged or pivoted at theirbacks or outer side at equal distances apart to the outer side of thisrevolvin g frame, so as to swing or open and close within these openings0. To keep the plates in proper position and prevent wabbling on theirpivots, guide notches or recesses 61 d are formed at their outer or freeends, and at their backs, so that the plates embrace the revolvingframe, and are kept in position at right angles thereto. The backnotches (I embrace the lugs F, to which the plates are hinged. Awater-way or conduit, G, is formed by recessing or cutting away thesections A. A of the frame from the inlet G to the outlet G This conduitis preferably so made as to represent in form, in cross-section, theoutline of a truncated cone, with its base outward. A groove orguidewa-y, H, for the movable diaphragms D, leads from the eduction G atthe termination of the conduit to the induction G at or near thebeginning of the conduit. This groove is formed in the two parts of theframe or case A A, and terminates at its opposite edges or sides, inboth parts, flush with the wall of the outer or largest portion of theconduit, and flush. with the inner edge of the groove-seat or rest b,respectively.

The operation is as follows: The liquid enters the induction-pipe Gimpinges against the hinged diaphragms or trip-flanges, closing orswinging them out across the conduit, formin g movable compartmentstherein. When the diaphragms reach the terminus of the conduit (wherethey are carried by the current) they abut against a stop, I, formed byashoulder crossing the conduit from the guideway or groom H to itsopposite Side, and forming an abutment terminating the conduit. Thisfolds the diaphragm back against the outer wall of the guide-groove,into which they pass, and in which they fit snugly, to prevent leakagefrom the conduit, the liquid passing out at G and the diaphragms, astheir disk revolves, being carried around in the groove, (the fluid inthe meantime acting on the succeedin g diaphragms,) and again, insuccession, being presented to the current of liquid, and

' A A", support the hub of the 7 any wear may bG'GOIIlPGHSMJGCL As thedisk 'fits snugly between the sidesof the frame,

automatically closed and opened, as before. As the area in cross-sectionof the inlet and of the outlet'are each the same as that of the conduit,there'is' no dead liquid accumulated during the Operation. B revolves asuitable indicator or registering device is 'caused'to indicate the flowof the liquid, by means of any weltknown arrangement of gearingconnected with the huh I).

As the disk or frame A ratchet-wheel, J, and pawl J, forming part ofthis gearing, prevent the backward movement of the revolving disk. 7

' Set-screws K K, passing through the frame leakage is prevented. V

The' peculiar form of the conduit is advantageous, as the largestportion of the body'of the liquid, an d consequently the greatestpressure, is exerted against the backs of the diaphragm's, thus actingon the disk with greater leverage than'could be brought to bear'were thediaphragms of uniform sectional area throughout their entire length. Theliquid as it enters the conduit is deflected froni'its nar row to itswider side. 7 r r The area of the 'diaphragms being slightly larger thanthat of the conduit,the pressure 7 always causes them to fit snugly,notwithstanding the wearing away of the diaphragms, Another advantagedue to our method of hin'ging the diaphragms at their .outer endsinstead of their inner ends,'as heretofore practiced, is thatthediaphragm is drawn across the face of the induction-pipe somedistance 7 before opening, so as to allow the eompart' ment in advanceof it to be completely filled, and then opens quickly but steadily whenreleased from its guiiling-groove, owing to the pressure of the liquidbehind, and thus avoids the slamming of the diaphragms. The stop at theeduct-ion end of the conduit gradually disk, and thus swings out thediaphragm in the direction of the outflowing current, thuspressing outthe liquid, and the diaphragms fit so snugly in the grooveH thatflooding iseffectnallypre- V vented'that is to say, there can be no dead7 7 space in this meter, and'consequentlyit must 1 7 alwaysregisteruniformlyand accurately 'Wedo not, broadly, claim actuatinghinged diaphragms by the pressure of a column of liquid fiowing'througha'conduit,as we find that this is old; but

What we do claim as our invention, and desire to secure by LettersPatent, is-

1. The liquid-meter hereinbefore described,

7 consisting of the combination of the casing or frame, theconduit'through which the liquid flows, the revolving disk or frame, thediaphragms hinged to the outer edge of said disk,

and projecting inwardly across theconduit, V V the stop at the eductionend of V the conduit, 7 r V and a return-groove connecting the inductionand eduction ends ofthe conduit, these meni bers being constructed andoperating in combination substantially as hereinbefore set forth. r

2. The combination of the oonduit, the re- 7 V V volving disk, andtherdiaphragms hinged at their outer ends to said disk, these: membersbeing constructed and operating in combinatlon substantially ashereinbetbre s'etforth.

In testimony whereof we have hereunto subscribed our names, 7 7

WILLIAM PEMBERTON,

HENRY BRUCE PIPER. Q t

